JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="new" value="ajout" />
<div id="deleteContainer"></div>

JavaScript

$('#new').click(function(){
    newdiv=$('<div>');
    newspan=$('<span/>').html('delete me').css('margin','10px').addClass('deleteit');
    newdiv.append(newspan);
    $('#deleteContainer').append(newdiv);
    
})
    
   $('#deleteContainer').on('click', '.deleteit',function(){
                  $(this).parent().remove();            
    })